| 000 | 00553nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160151.0 | ||
| 008 | 080922s1972 mx r 000 0 spa d | ||
| 035 | _aUPN01000159941 | ||
| 049 | _aUNE | ||
| 080 | _a168. 001.1 (100) =20 PEN. | ||
| 245 | 0 | 0 | _aScientific thought: Some underlying concepts methods and procedures. |
| 260 |
_aParis : _bUNESCO, _bMouton, _c1972. |
||
| 300 | _a252 p. ; | ||
| 690 | _aConceptos- Estructuras- Teoria- Metereologia- Ciencia | ||
| 690 | _aTeoria- Informatica- Conceptos- Ciencia- Cibernetica | ||
| 905 | _aUNESCO | ||
| 999 |
_c132055 _d132055 |
||